Definitions:

1. a sudden desire noun
   • They bought it on an impulse.
2. an instinctive motive noun
   • profound religious impulses
3. the act of applying force suddenly noun
   • The impulse knocked them over.
4. the electrical discharge that travels along a nerve fiber noun
   • they demonstrated the transmission of impulses from the cortex to the hypothalamus

Synonyms:

• caprice
• impetus
• impulsion
• momentum
• nerve impulse
• nervous impulse
• neural impulse
• pulsation
• pulse
• pulsing
• urge
• whim

NearBy Words:

• impulse-buy